| http://www.w3.org/ns/prov#value | - Each continuously variable headlamp has an effective illumination range varied by changing at least one parameter from a set including horizontal direction aimed, vertical...http://www.google.com/patents/US6049171?utm_source=gb-gplus-sharePatent US6049171 - Continuously variable headlamp controlAdvanced Patent SearchPublication numberUS6049171 APublication typeGrantApplication numberUS 09/157,063P
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